When a steam system shuts down, the remaining steam condenses into water, which takes up a much smaller volume than the original steam. This creates a vacuum, which can damage equipment if not relieved of in a timely way. Vacuums prevent gravity draining systems from working properly, which can lead to frozen condensate and burst piping.
Vacuum Breakers are simple, reliable devices that provide a positive means to automatically relieve or “break” an unwanted vacuum condition.
Available in sizes from 1/8” up to 4” NPT.
⅜” & ¾” NPT is also available with field adjustable range from ¼” to 20” (8 – 508mm) Hg Vacuum for use on closed vessels and piping systems to control induced vacuum within safe limits.
Features:
- Brass, bronze or stainless steel construction with threaded connection.
- Pre-set and adjustable models for steam or hot water use.
Applications:
- Protection of pressure vessels and piping collapse from vacuum conditions.
- Prevention of freezing due to excess condensate remaining in the system.
- Reduction of water hammer due to vacuum caused by control valve operation.
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